Ingredient Contains A Boron Or Phosphorus Atom Patents (Class 521/85)
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Patent number: 4462927Abstract: A blowing agent composition is provided comprising:(a) zinc formate, and(b) a compound having the formula M.sub.m X, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO.sub.3, HCO.sub.3, SO.sub.4, SO.sub.3, S.sub.2 O.sub.3, NO.sub.2, SCN, OCN, BO.sub.2, HBO.sub.3, HPO.sub.4, PO.sub.4 or H.sub.2 PO.sub.4, and m is an integer representing the valence of X; or a compound having the formula M.sub.n.sup.1 R.sub.p, wherein M.sup.1 is alkali metal, calcium, lead or zinc, R is organic mono- or polybasic acid having 1-18 carbon atoms and from 0 to 2 nitrogen atoms, or a benzenesulfonyl or toluenesulfonyl radical; and n and p are integers representing the valences of R and M.sup.1, respectively or whole fractions thereof.Type: GrantFiled: December 7, 1983Date of Patent: July 31, 1984Assignee: Uniroyal, Inc.Inventor: Byron A. Hunter
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Patent number: 4446061Abstract: Reaction products are prepared from metal oxides and salts and phosphorus compounds containing trivalent phosphorus. The reaction products are useful as flame retardants and smoke suppressants.Type: GrantFiled: October 23, 1980Date of Patent: May 1, 1984Assignee: Monsanto CompanyInventors: Samuel F. Joyce, III, Albert W. Morgan, Norman W. Touchette, William Vanderlind
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Patent number: 4434251Abstract: This invention provides a method of continuously manufacturing a cross-linked polyvinyl chloride resin foam sheet which has a low density, uniformly fine cell, excellent thermal moldability and high heat resistance and is neither deformed nor deteriorated even by long storage characterized by uniformly kneading the polyvinyl chloride resin with a blowing agent, stabilizer, plasticizer and cross-linking promoter without causing the blowing agent to decompose itself, thereby providing an unfoamed kneaded composition in which the polyvinyl chloride resin is gelled and forming said composition into a continuing sheet, irradiating said sheet with ionizing radiation to cross-link the resin; and thermally foaming the cross-linked sheet.Type: GrantFiled: January 25, 1982Date of Patent: February 28, 1984Assignee: The Furukawa Electric Co., Ltd.Inventors: Junnosuke Sasajima, Hiroshi Nagai, Kenji Mogi, Akio Nojiri, Naonori Shiina
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Patent number: 4431752Abstract: Compositions for producing unsaturated polyester foams comprising sodium borohydride for curing the composition in conjunction with an organic peroxide catalyst, and for producing hydrogen gas as the foaming agent. The compositions which are simple and safe to prepare produce high quality foams.Type: GrantFiled: November 8, 1982Date of Patent: February 14, 1984Assignee: Fiberglas Canada Inc.Inventor: Stanley Oswitch, deceased
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Patent number: 4423162Abstract: Polyurethanes prepared from the reaction of hydroxymethyl polyols and polyisocyanates are disclosed.Type: GrantFiled: September 7, 1982Date of Patent: December 27, 1983Assignee: Henkel CorporationInventors: Dwight E. Peerman, Edgar R. Rogier
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Patent number: 4417004Abstract: A two-part pack, and method for its preparation, from which a phenol-formaldehyde resin foam may be prepared, which system comprises in the first part of the pack a phenol-formaldehyde resin, a blowing agent which is an inert, low boiling liquid, an effective amount of a nitrogenous modifier capable of permitting dispersion of the blowing agent in the resin, and a surfactant; and in the second part of the pack an acid catalyst system dispersed in a liquid polyhydroxy compound, in a weight ratio of polyhydroxy compound to acid catalyst of at least 1:1. These two-part packs enable simpler handling and placement techniques being shelf storable, compared to the known shelf storable systems which involve three, or more, components.Type: GrantFiled: December 5, 1979Date of Patent: November 22, 1983Assignee: Reichhold LimitedInventors: Krishan K. Sudan, Antoine Berchem
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Patent number: 4413065Abstract: A low density foam product is formed from a chlorinated polyvinyl chloride polymer (CPVC) composition containing a primary blowing agent and a nucleating system comprised of an alkali metal borohydride and a proton donor activator.Type: GrantFiled: February 9, 1983Date of Patent: November 1, 1983Assignee: The B. F. Goodrich CompanyInventors: Dale R. Hall, Charles N. Bush
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Patent number: 4404297Abstract: The present invention relates to intumescent fire retardant compositions for polymers such as olefin polymers, polyester resins, polyurethane resins etc. According to the invention, the intumescent fire retardant compositions contain a thermolized product obtained from a system comprising P.sub.2 O.sub.5 or a P.sub.2 O.sub.5 -precursor together with triethanolamine. The ratio between the constituents is between 0.5 to 2.0 parts by weight P.sub.2 O.sub.5 to 1 part triethanolamine. The intumescent fire retardant compositions according to the present invention obviate the need for using of halogen-containing fire retardants which produce acid vapors during decomposition.Type: GrantFiled: January 7, 1983Date of Patent: September 13, 1983Assignee: Bromine Compounds Ltd.Inventors: Theodor Fishler, Manny Ravey, Leonard M. Shorr
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Patent number: 4403045Abstract: Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chopping the extrusion into pellets. The pellet concentrate may then be blended into other materials.Type: GrantFiled: December 29, 1982Date of Patent: September 6, 1983Assignee: Thiokol CorporationInventor: Robert C. Wade
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Patent number: 4399238Abstract: Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride power with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chopping the extrusion into pellets. The pellet concentrate may then be blended into other materials.Type: GrantFiled: November 12, 1982Date of Patent: August 16, 1983Assignee: Thiokol CorporationInventor: Robert C. Wade
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Patent number: 4397948Abstract: Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chopping the extrusion into pellets. The pellet concentrate may then be blended into other materials.Type: GrantFiled: July 14, 1982Date of Patent: August 9, 1983Assignee: Thiokol CorporationInventor: Robert C. Wade
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Patent number: 4394458Abstract: Alkali metal borohydride concentrates are prepared by dry blending alkali metal borohydride powder with a dry non-reactive plastic resin, melting and extruding the blended mixture to form an encapsulated alkali metal borohydride concentrate, and then chopping the extrusion into pellets. The pellet concentrate may then be blended into other materials.Type: GrantFiled: July 14, 1982Date of Patent: July 19, 1983Assignee: Thiokol CorporationInventor: Robert C. Wade
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Patent number: 4387170Abstract: An improved process for the foaming of polyolefin materials is disclosed where the polyolefin is crosslinked by a peroxide and foamed by a chemical foaming agent combined with an auxiliary foaming agent is disclosed. According to the invention, the auxiliary foaming is a sterically hindered phenol and/or an organic phosphorus compound.Type: GrantFiled: June 15, 1981Date of Patent: June 7, 1983Assignee: Dynamit Nobel AGInventors: Werner Kuhnel, Paul Spielau
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Patent number: 4383048Abstract: A low density foam product is formed from a chlorinated polyvinyl chloride polymer (CPVC) composition containing a primary blowing agent and a nucleating system comprised of an alkali metal borohydride and a proton donor activator.Type: GrantFiled: September 28, 1982Date of Patent: May 10, 1983Assignee: The B. F. Goodrich CompanyInventors: Dale R. Hall, Charles N. Bush
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Patent number: 4374205Abstract: The invention pertains to chlorinated vinyl chloride polymer compositions containing, in addition to a chlorinated vinyl chloride polymer, a primary stabilizer for the chlorinated vinyl chloride polymer and a metal salt of phosphoric acid.Type: GrantFiled: June 23, 1982Date of Patent: February 15, 1983Assignee: The B. F. Goodrich CompanyInventor: Dale R. Hall
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Patent number: 4369259Abstract: The present invention relates to foams made of resol-type phenolic resins which do not discolor as quickly as prior-art phenolic foams. With the additive in accordance with the invention, even colored foams will not darken as readily. The foams in accordance with the invention contain as stabilizers salts of phosphinic acid or phosphonic acid, such as the primary alkali phosphites or the alkali phosphinates. The stabilizers, which protect the foams against the action of light and/or air and/or heat, are used in amounts ranging from 0.1 to 5 weight percent. The present invention further relates to methods of preparing such foams. In a preferred method, the stabilizers are admixed with an expandable resol-type phenolic resin, the mixture so obtained is mixed with the other substances necessary to formation of a foam, and the whole mixture is then foamed conventionally.Type: GrantFiled: January 25, 1982Date of Patent: January 18, 1983Assignee: Dynamit Nobel AGInventors: Josef Tiroux, Franz Weisselfels
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Patent number: 4369064Abstract: Ethylene diammonium phosphates are excellent catalysts for particularly those intumescent agents which do otherwise not easily foam when exposed to heat.Type: GrantFiled: September 22, 1980Date of Patent: January 18, 1983Assignee: Bayer AktiengesellschaftInventor: Wulf von Bonin
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Patent number: 4347334Abstract: The invention relates to a particulate agent based on a free-flowing pulverulent ammonium polyphosphate for impeding the combustibility of combustible substances, the agent containing(a) about 75 to 99.9 weight % of ammonium polyphosphate and(b) about 0.1 to 25 weight % of a hardened, water-insoluble phenol resin (phenol/formaldehyde-resin) enveloping the individual ammonium polyphosphate particles.Type: GrantFiled: February 4, 1981Date of Patent: August 31, 1982Assignee: Hoechst AktiengesellschaftInventors: Horst Staendeke, Franz-Josef Dany, Joachim Kandler
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Patent number: 4345040Abstract: The invention relates to porous post-chlorinated polyvinyl chloride resins which contain or have incorporated therein a salt of phosphoric acid resulting in a substantial improvement in the thermal stability thereof during subsequent processing. The phosphate salt is added to the porous post chlorinated polymer from an aqueous solution thereof which optionally contains a surfactant, which wets the polymer particles and allows the penetration thereof by the solution. Post chlorinated polyvinyl chloride (CPVC) is the most preferred polymer or resin.Type: GrantFiled: June 16, 1980Date of Patent: August 17, 1982Assignee: The B. F. Goodrich CompanyInventor: Dale R. Hall
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Patent number: 4343910Abstract: Various surfaces are polished by buffing with compositions comprising a foamed polymeric material and a finely divided abrasive material. The abrasive material has a particle size number and a valley abrasion number the product of which falls within a predetermined range sufficient to provide good polishing upon buffing. Such compositions can be fashioned into articles of manufacture which are capable of buffing various surfaces.Type: GrantFiled: April 22, 1980Date of Patent: August 10, 1982Assignee: Chesebrough-Pond's Inc.Inventors: Francis W. Busch, Jr., Thomas J. Pallone, Gene R. Berube, Ambrish H. Vyas, Joseph R. Faryniarz, John A. Russo
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Patent number: 4341694Abstract: Compositions comprising 2,6,7-trioxa-1-phosphobicyclo [2.2.2.] octane -4-methanol-1-oxide and a nitrogen compound selected from the group melamine, ammeline, benzoguanidine, guanidine, urea and salts thereof, are intumescent and are readily adapted to flame retard a variety of dissimilar resins including polyolefins, polyvinylaromatic resins, polycarbonates, polyacrylates, polyamides, PVC and blends thereof.Type: GrantFiled: July 6, 1981Date of Patent: July 27, 1982Assignee: Borg-Warner CorporationInventor: Yuval Halpern
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Patent number: 4338245Abstract: Thermoplastic polyester compositions comprising a polyester such as polybutylene terephthalate, a pentate salt of an amino-s-triazine, and optionally a polyol are flame retardant and intumescent and may be compounded to be self-extinguishing.Type: GrantFiled: August 12, 1981Date of Patent: July 6, 1982Assignee: Borg-Warner Chemicals, Inc.Inventor: Yuval Halpern
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Patent number: 4338246Abstract: Thermoplastic polymethacrylate compositions comprising (a) thermoplastic polymethacrylate such as polymethyl methacrylate, a pentate salt of an amino-s-triazine, and optionally a polyol are flame retardant and intumescent and may be compounded to be self-extinguishing.Type: GrantFiled: August 21, 1981Date of Patent: July 6, 1982Assignee: Borg-Warner Chemicals, Inc.Inventor: Yuval Halpern
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Patent number: 4336184Abstract: Thermoplastic polyphenylene ether compositions comprising a polyphenylene ether-styrenic resin blend, a pentate salt of an amino-s-triazine and optionally a polyol are flame retardant and intumescent and may be compounded to be self-extinguishing.Type: GrantFiled: August 12, 1981Date of Patent: June 22, 1982Assignee: Borg-Warner Chemicals, Inc.Inventor: Yuval Halpern
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Patent number: 4331775Abstract: The invention relates to porous post-chlorinated polyvinyl chloride resins which contain or have incorporated therein a salt of phosphoric acid resulting in a substantial improvement in the thermal stability thereof during subsequent processing. The phosphate salt is added to the porous post chlorinated polymer from an aqueous solution thereof which optionally contains a surfactant, which wets the polymer particles and allows the penetration thereof by the solution. Post chlorinated polyvinyl chloride (CPVC) is the most preferred polymer or resin.Type: GrantFiled: April 29, 1981Date of Patent: May 25, 1982Assignee: The B.F. Goodrich CompanyInventor: Dale R. Hall
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Patent number: 4324863Abstract: A fire-proofed material for an electric cable, said material including a matrix made of a copolymer of propylene and of ethylene, high-density polyethylene or thermoplastic polyester, a fire-proofing agent which is halogenated and is formed by a cyclic derivative of pentaerythritol, an aliphatic or cyclo-aliphatic derivative which is stable at the extrusion temperature of the matrix and decomposes at a higher temperature and a mineral compound of antimony which is able to react with the bromine of the fire-proofing agent during combustion.Type: GrantFiled: September 5, 1979Date of Patent: April 13, 1982Assignee: Societe Anonyme dite: Les Cables de LyonInventors: Jean P. Bonicel, Christian Cottevielle, Michel Maucolot, Madeleine Prigent
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Patent number: 4313761Abstract: Reaction products are prepared from metal oxides and salts and phosphorus compounds containing trivalent phosphorus. The reaction products are useful as flame retardants and smoke suppressants.Type: GrantFiled: October 24, 1980Date of Patent: February 2, 1982Assignee: Monsanto CompanyInventors: Samuel F. Joyce, III, Albert W. Morgan, Norman W. Touchette, William Vanderlinde
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Patent number: 4312776Abstract: A blowing agent composition comprises azodicarbonamide, 0.005 to 5% by weight, based on the weight of azodicarbonamide, of a chromium sulphate, and 0.005-1% by weight, based on the weight of azodicarbonamide, of at least one zinc compound selected from zinc salts and oxides.Type: GrantFiled: October 10, 1980Date of Patent: January 26, 1982Assignee: FBC LimitedInventors: Rishi R. Puri, Kenneth T. Collington
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Patent number: 4296210Abstract: The acetalization of polyvinyl alcohol in an acidic aqueous medium in the presence of a wetting agent yields an open-cell, solid foam when the reaction medium contains gas bubbles which are preferably produced by stirring air into the reaction mixture. By carrying out the acetalization in the presence of a nucleic acid a porous shaped article is obtained in which the cells are uniformly distributed. The dried shaped article absorbs a multiple of its weight of water. It can be used for household and industrial purposes.Type: GrantFiled: November 26, 1980Date of Patent: October 20, 1981Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Zimmermann, Hermann Schindler, Gunther Pospich
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Patent number: 4296209Abstract: A method and material for cementing solid animal tissue in situ is disclosed. Fractured and broken bones, roots of teeth, prosthetic devices and the like are cemented in place and by means of a composition which, when mixed and applied, foams to form a porous cement and cures in place having effervescent, adhesive and partially reabsorptive properties.Type: GrantFiled: March 26, 1980Date of Patent: October 20, 1981Inventor: Dobrivoje Tomic
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Patent number: 4289857Abstract: The dimensional stability of closed-cell synthetic polymer foams can be notably improved by the incorporation therein, during their preparation, of from about 0.1 to about 10 percent by weight (based upon the weight of the synthetic resin) of certain borate or phosphinate glycol ester compounds such as, for example, tri(1-stearyl-glycero)borate, tri(monostearylpolyoxyethyleneglycol)borate, di(1-stearylglycero)phosphinate, and the like.Type: GrantFiled: July 31, 1980Date of Patent: September 15, 1981Assignee: Asahi-Dow LimitedInventors: Tsuneo Hoki, Nobuo Miura, Hiroshi Watanabe
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Patent number: 4271271Abstract: Copolymers of monovinyl aromatic monomers and ethylenically unsaturated monocarboxylic acid amide monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: June 2, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4265806Abstract: A process for producing a solid, intumescent, phosphorus-containing flame retardant for thermoplastic synthetic resins, comprises evaporating to dryness the reaction product of (a) 1 mole of phosphoric acid, phosphorous acid or polyphosphoric acid, (b) 0.5-2 moles of ethylene oxide or glycol, and (c) 0.2-1 mole of melamine, and tempering the thus-obtained solid at 100.degree.-250.degree. C. The product so obtained can be added to such resins to render them flameproof without deleterious side effects such as discoloration.Type: GrantFiled: July 11, 1980Date of Patent: May 5, 1981Assignee: Chemische Werke Huls AktiengesellschaftInventors: Raban Grundmann, Gunther Maahs
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Patent number: 4266037Abstract: Copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said composition having fire retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: May 5, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4266038Abstract: Rubber-modified copolymers of monovinyl aromatic monomers and imide derivatives of ethylenically unsaturated dicarboxylic acid monomers are blended with water as a blowing agent, bromodiphenylethers as fire retardants, and metal oxides as synergist for the ethers to form a composition which can be foamed to densities of between 1 and 10 pounds per cubic foot, said foam composition having fire-retardant properties.Type: GrantFiled: May 7, 1980Date of Patent: May 5, 1981Assignee: Arco Polymers, Inc.Inventors: Adolph V. DiGiulio, Jack N. Bauer
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Patent number: 4265963Abstract: Flameproof and fireproof products are formed from a fire-unstable material coated with a polymeric material which is capable of intumescing beginning at a low temperature and has adhesive qualities in conjunction with the fire-unstable material. Upon the application of heat or flame to the products, the coating material copiously intumesces to form a protective thermal insulating foam barrier which prevents the fire-unstable material from igniting or degrading to the point of evolving flammable gases or losing its dimensional stability. Continued application of heat or flame will cause the foam to char but will not destroy the products for a suprisingly long time. The polymeric coating material comprises the resinous reaction product of phosphoric acid and a reducing sugar with a hardener and containing at least one modifying agent capable of rendering the coating material highly and permanently intumescent at a low initiating temperature even after prolonged storage of the flameproof and fireproof product.Type: GrantFiled: December 31, 1979Date of Patent: May 5, 1981Assignee: Arco Polymers, Inc.Inventor: Ralph Matalon
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Patent number: 4266039Abstract: A shapeable, fireproof, elastic packing material suitable for packing joints and the like in the form of a paste or shaped structure which is elastic at low temperature and is capable of swelling at high temperature, e.g. in a fire, to form a solid gas impenetrable barrier. The elastic packing material contains an elastomer, a vulcanizing agent and an intumescent mineral.Type: GrantFiled: February 5, 1980Date of Patent: May 5, 1981Assignee: Impervia, Societe d'Etudes et de RealisationsInventors: Jacques P. Hons-Olivier, Tri Le Thanh, Francois M. Devanz
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Patent number: 4259453Abstract: A composition comprising a gas-expandable polymeric material and an activated hydrazodicarboxylate blowing agent, wherein the activator is selected from nickelbis(3,5-di-t-butyl-4-hydroxybenzoate), a mixture of 2-hydroxy-4-n-octoxybenzophenone and nickelbis(2-oxy-4-n-octoxybenzophenone), nickel stearate, nickel trifluoroacetylacetonate, [2,2'-thiobis(4-t-thiobis(4-t-octylphenolato)]nickel, nickelbis [O-ethyl-(3,5-di-t-butyl-4-hydroxybenzyl)phosphonate], nickelammoniumsulfate, ethylenediaminetetra(methylenephosphonic acid), and hexamethylenediaminetetra(methylenephosphonic acid).Type: GrantFiled: June 4, 1980Date of Patent: March 31, 1981Assignee: Uniroyal, Inc.Inventor: Rhomie L. Heck, III
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Patent number: 4241191Abstract: Styrene polymers are prepared by suspension polymerization using, as suspension stabilizers, mixtures of(A) a sparingly soluble inorganic metal compound and(B) a fine polymer dispersion.The styrene polymers may be used, together with blowing agents, for the manufacture of foams.Type: GrantFiled: November 24, 1978Date of Patent: December 23, 1980Assignee: BASF AktiengesellschaftInventors: Hans G. Keppler, Erhard Stahnecker, Rolf Moeller
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Patent number: 4228245Abstract: Foamed polyblends comprising a filled styrene-butadiene rubber are rendered attractively flame-resistant (e.g. for use as carpet underlay) without loss of "green strength" needed during processing (e.g. in a Banbury mixer) by blending therewith about 10-50 parts per hundred, based on the rubber, of a pre-fused vinyl chloride polymer plastisol.Type: GrantFiled: July 2, 1979Date of Patent: October 14, 1980Assignee: Monsanto CompanyInventors: Albert W. Morgan, Roland G. Ribaudo
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Patent number: 4219623Abstract: A two component system, and method for its preparation, from which a phenol-formaldehyde resin foam may be prepared, which system comprises in a first component a phenol-formaldehyde resin, a blowing agent which is an inert, low boiling liquid, an effective amount of a nitrogenous modifier capable of permitting dispersion of the blowing agent in the resin, and a surfactant; and in a second component an acid catalyst system dispersed in a liquid polyhydroxy compound, in a weight ratio of acid catalyst to polyhydroxy compound of at least 1:1. These systems enable simpler handling and placement techniques being shelf storable, compared to the known shelf storable systems which involve three, or more, components.Type: GrantFiled: June 28, 1978Date of Patent: August 26, 1980Assignee: Reichhold LimitedInventors: Krishan K. Sudan, Antoine Berchem
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Patent number: 4211853Abstract: Normally flammable halohydrocarbon polymer compositions containing combustible plasticizer are rendered flame-retardant or self-extinguishing by incorporating therein elemental phosphorus having a specific gravity greater than two.Type: GrantFiled: July 31, 1978Date of Patent: July 8, 1980Assignee: The Dow Chemical CompanyInventor: Charles F. Raley, Jr.
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Patent number: 4208485Abstract: An expansion agent comprising a foamable mixture of (a) 15-53 weight % of a foaming agent having 6 to 78 carbon atoms selected from the group of an ammonium salt, aliphatic amine salt and/or an alkali metal salt of an alkyl sulfate, hydroxyalkyl sulfate, alkyl ether sulfate and/or aryl alkyl ether sulfate; (b) 5-42 weight % of a dispersant having 22 to 260 carbon atoms selected from the group of an alkyl alkyleneoxy amine and/or its quaternary alkylsulfate, alkylhalide or alkylphosphate derivative; and (c) 5-40 weight % of a stabilizer having 8 to 68 carbon atoms selected from the group of a sodium and/or potassium salt of an alkyl sulfosuccinate; and the combination of said mixture with a synthetic resin, latex or natural rubber to provide a coating or finishing composition; the process of applying said composition to a substrate and the treated substrate product having incorporated the composition of the invention.Type: GrantFiled: March 16, 1979Date of Patent: June 17, 1980Assignee: GAF CorporationInventor: Roop C. Nahta
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Patent number: 4205022Abstract: A compound of the formula ##STR1## wherein a, b, c, d, and n are integers; a is from 1 to 3; b and c are independently selected from the group consisting of 0 and 1; d and n are independently selected from the group consisting of 1 and 2; R.sup.1 and R.sup.4 are independently selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and haloalkyl of 1 to 4 carbon atoms and 1 to 2 halogen atoms; and R.sup.2 and R.sup.3 are independently selected from the group consisting of haloalkyl containing 1 to about 4 carbon atoms and 1 to about 2 halogen atoms selected from the group consisting of chlorine, bromine, and mixtures thereof.The use of this compound with specified amounts of a certain methylated methylol melamine and water allows one to produce an intumescent composition which is substantially superior to prior art intumescent compositions.Type: GrantFiled: September 5, 1978Date of Patent: May 27, 1980Assignee: Velsicol Chemical CorporationInventors: Richard R. Nicholson, Ray E. Smith, Jayendra G. Shukla
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Patent number: 4198486Abstract: The flameproof styrene polymer foam in accordance with this invention is obtained by melting a granular mixture of styrene polymer and aluminum hydroxide having a grain size of 20-100 .mu.m and a specific surface of below 1 m.sup.2 /g in an extruder, incorporating a physical expanding agent, and homogenizing and extruding the mixture.Type: GrantFiled: March 15, 1979Date of Patent: April 15, 1980Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Mylich, Walter Albert
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Patent number: 4196155Abstract: A process for preparing an organic phosphorous compound of the general formula ##STR1## wherein R.sub.A represents ##STR2## where X.sup.1 is a halogen atom, Y is --CH.sub.2 -- or --CH.sub.2 --C.sub.2 --, andR.sub.1 is H or CH.sub.3 when Y is --CH.sub.2 --CH.sub.2 --, or H, CH.sub.3 or C.sub.2 H.sub.5 when Y is --CH.sub.2 --,R.sub.B represents an alkyl group having from 1 to 4 carbon atoms or a halogenated alkyl group having from 2 to 4 carbon atoms,R.sub.C represents ##STR3## where X.sup.2 is a halogen atom, Z is --CH.sub.2 --or --CH.sub.2 --CH.sub.2 --, andR.sub.2 is H or CH.sub.3 when Z is --CH.sub.2 --CH.sub.2 --, or H, CH.sub.3 or C.sub.2 H.sub.5 when Z is --CH.sub.2 --, andR.sub.D represents an alkyl group having from 1 to 4 carbon atoms or a halogenated alkyl group having from 2 to 4 carbon atoms,the process including the steps of reacting a cyclic halogenophosphite with a cyclic phosphorous acid and acetone in a molar ratio of 1:1:1, reacting the resulting product with a molecular halogen X.sub.2.sup.Type: GrantFiled: June 27, 1978Date of Patent: April 1, 1980Assignee: Mitsui Toatsu Chemicals, IncorporatedInventors: Isamu Yamamoto, Eiichi Noda, Yoshiaki Noguchi
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Patent number: 4195115Abstract: An intumescent composition comprising a polymeric binder, a mineral acid catalyst, a source of carbon, and a blowing agent in which the polymeric binder is a solution of a plasticized unsaturated polyester in an unsaturated monomer.Type: GrantFiled: November 14, 1977Date of Patent: March 25, 1980Assignee: British Industrial Plastics LimitedInventors: Brian Y. Downing, George D. Hamer
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Patent number: 4189619Abstract: A fire protective mastic is provided, whose essential components are solids including a low fusing ceramic frit, hydrated solids having chemically bonded water which is released as a fire protective water vapor when heated, solids which expand or intumesce during the same heat application to form a porous, expanded or foamy insulating body, solids which have a fire break effect, such as antimony oxide and zinc tetraborate, and binder solids which are thermoplastic resins and serve to bind the solids into a flexible coating when applied, the binder solids being dispersed as an emulsion in water and mixed with the other solids to form a mastic. With further addition of water it is converted to a selected viscosity for application by troweling, coating or spraying.Type: GrantFiled: January 27, 1978Date of Patent: February 19, 1980Inventor: J. Watson Pedlow
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Patent number: 4182799Abstract: A flame-retarding additive for foamed polystyrene is composed of 40 to 56 weight percent of halogenated hydrocarbon, 9 to 15 weight percent of antimony oxide, 14 to 22 weight percent of zinc borate, and 16 to 28 weight percent of hydrated alumina.Type: GrantFiled: June 9, 1978Date of Patent: January 8, 1980Inventor: John Rodish
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Patent number: RE30497Abstract: Markedly improved flame retardance is imparted to crosslinked olefin polymers containing halogenated organic moiety by incorporating therein elemental red phosphorus. The resulting flame retardant compositions are particularly useful in fabrication of crosslinked olefin polymer foams.Type: GrantFiled: September 4, 1979Date of Patent: January 27, 1981Assignee: The Dow Chemical CompanyInventor: Charles F. Raley, Jr.